Piano



FIG. 1 is a perspective view of the front, top and right side of a piano showing my new design;

FIG. 2 is a front view thereof;

FIG. 3 is a rear view thereof;

FIG. 4 is a left side view thereof, the right side view is a mirror image of the left side view;

FIG. 5 is a top view thereof;

FIG. 6 is a bottom view thereof; and,

FIG. 7 is an enlarged view at a portion indicated by a line of the reference number 7 in FIG. 1.

The broken line showing of the piano is included for the purpose of illustrating unclaimed portions of the piano and forms no part of the claimed design. 

CLAIM The ornamental design for a piano, as shown and described. 